question #1 Sahih Muslim 939g, Book 11, Hadith 52 : What is the significance of washing the deceased an odd number of times in Islamic funeral rites?

There came to us the Messenger of Allah (ﷺ) as we were washing one of his daughters. So he said: Wash her (dead body) an odd number of times, five times or more than that, the rest of the hadith is the same. She (further) said: We braided her hair in three plaits: (two) on the sides of her head and one on her forehead.